public domain mark

GPTKB entity

Statements (10)
Predicate Object
gptkbp:instanceOf copyright symbol
gptkbp:appliesTo works in the worldwide public domain
https://www.w3.org/2000/01/rdf-schema#label public domain mark
gptkbp:introduced gptkb:Creative_Commons
gptkbp:introducedIn 2010
gptkbp:officialWebsite https://creativecommons.org/share-your-work/public-domain/pdm/
gptkbp:purpose to indicate a work is free of known copyright restrictions
gptkbp:usedBy gptkb:Creative_Commons
gptkbp:bfsParent gptkb:Creative_Commons_Zero
gptkbp:bfsLayer 6